[Solved] Php Variable as conditional assignment with eval() [duplicate]

[ad_1] You’re missing return and a semicolon. But really, you should avoid eval. <?php $foo = 1; $bar = 2; $test=” && $bar == 2″; if(eval(‘return $foo == 1’ . $test . ‘;’)) { echo “That horribly eval()’d code worked!”; } ?> [ad_2] solved Php Variable as conditional assignment with eval() [duplicate]

[Solved] Get current seeder’s IP addresses of a torrent using PHP [closed]

[ad_1] There are two largely separate parts – querying the torrent tracker for the seeders IP, and reverse-geocoding the IP addresses to determine the country. The reverse-geocoding part is a common thing, and easily done. This question lists several options, and this one is similar, but specifically for PHP The torrent-tracker-querying part is a bit … Read more

[Solved] How to construct sub arrays from a main array

[ad_1] You mean like this?: $array = array( array(‘id’ => 1, ‘status’ => -1), array(‘id’ => 2, ‘status’ => 1), array(‘id’ => 3, ‘status’ => 2), array(‘id’ => 4, ‘status’ => 2), array(‘id’ => 5, ‘status’ => 2) ); $statuses = array(); foreach($array as $one){ if(!isset($statuses[$one[‘status’]])){ $statuses[$one[‘status’]] = 0; } $statuses[$one[‘status’]]++; } $newArray = array(); … Read more

[Solved] c++ math assignment [closed]

[ad_1] add 1/3 to itself a large number of times This means that you should add ⅓ a bunch of times: ⅓ + ⅓ + ⅓ + ⅓ + … Then you’re supposed to compare the result of that calculation with the result of multiplying ⅓ by the number of times you added it. So … Read more

[Solved] What is the meaning of “res” in C++?

[ad_1] res is the name of a local variable in the function avge that is returned at then end of that function. // Variable of type float with name “res” is declared float res; // Compute some value and assign it to this variable res = (a+b+c)/3.0; // Return the variable to the caller return … Read more

[Solved] PHP is not executing in HTML [closed]

[ad_1] The colour of the code in your editor has no bearing on the result. In my editor, both “invalid HTML tag” and “PHP tag” are red(-ish), but that doesn’t mean they’re the same 😉 Now, as for your problem, you need to be running this on a server. Just loading the file in your … Read more

[Solved] How to convert string[] to int in C# [closed]

[ad_1] string[] x = { “1”, “2”, “0”, “,”, “1”, “2”, “1”, “,”, “1”, “2”, “2” }; int[] y = string.Join(string.Empty, x) .Split(‘,’) .Select(s => int.Parse(s)) .ToArray(); [ad_2] solved How to convert string[] to int in C# [closed]

[Solved] Only change content(body) by clicking different button In HTML/CSS

[ad_1] You need to use Javascript, attach a click event handler to the buttons that will change out the appropriate content. Here is an article Given the update to your code, I would recommend using jQuery. jQuery will allow you to do the following: $(‘.button’).on(‘click’, function () { $(‘.body’).html(‘New content.’); }); $(‘.food’).on(‘click’, function () { … Read more

[Solved] Why won’t my c# application work? [closed]

[ad_1] The problem is you’re expecting integers to behave like strings. The point you’re missing is that: int a = 01; is the same as: int a = 1; There’s no difference. You can’t pad an integer. What you need is to format the integers into a string, using a format specifier. Something like this: … Read more

[Solved] Disable notifications from other apps [closed]

[ad_1] You can’t, unless you have root or your code runs with system/phone app process id. The app you linked to in your question requires root. In case you have root and are not afraid to use reflection to access hidden methods, you can examine how App Settings enables/disables notifications for a package. [ad_2] solved … Read more

[Solved] how can i pass from char[i] to a double? [closed]

[ad_1] You can use functions std::stringstream from sstream or strtod from cstdlib or stod (If you are using C++11) as per your need. Quoting example from cplusplus.com // stod example #include <iostream> // std::cout #include <string> // std::string, std::stod int main () { std::string orbits (“365.24 29.53”); std::string::size_type sz; // alias of size_t double earth … Read more

[Solved] conversion of matlab code to opencv code

[ad_1] There are many ways to do this. Most clean way would be setting ROI (Region of Interest) and then applying matrix operations. Something like: subtract(x(Rect(1,0,NumCols-1,NumRows)),x(Rect(0,0,NumCols-1,NumRows),R) singleLineMask = Mat(1,NumCols,CV_8U) for (int i=1;i<NumCols;i++) singleLineMask.at<int>(1,i)=1; repeat(singleLineMask,NumRows,1,MaskImage) d=mean(R,MaskImage) a=(8*mean(abs(R))-d)/7 assuming you create R and compute NumRows,NumCols prior to this operation and allocate MaskImage. 4 [ad_2] solved conversion of … Read more